<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>demo</title>
    <script type="text/javascript" src="../vue.js"></script>
</head>

<body>
    <div id="app">

        <h1>{{count}}</h1>
        <!-- prevent修饰符可以阻止默认事件,常见于form表单的submit事件 -->
        <button @contextmenu.prevent="">右键</button>

        <!-- .stop修饰符 阻止传播
        <div @click="fn1">
            outer1
            <div @click.stop="fn2">inner1</div> -->

            <!-- .capture修饰符 把事件传播方式改为捕获 -->
            <div @click.capture="fn1">
                outer2
                <div @click="fn2">inner2</div>
            </div>
             <!-- .self修饰符:当事件要被触发的时候e.target是否是自身,如果是在触发事件 -->
            <div @click.self="fn1">
                outer3
                <div @click="fn2">inner3</div>
              </div>
        </div>
       

        <input type="text" @keyup.13="fn1"> <br>
        <input type="text" @keyup.enter="fn2">
        <input type="text" @keyup.space="fn1">
        <input type="text" @keydown.tab="fn2">
        <input type="text" @keydown.esc="fn1">
    </div>
      
       

</body>
<script type="text/javascript">
    Vue.config.productionTip = false
    const vm = new Vue({
        el: "#app",
        data() {
            return {
                count: 0
            }
        },
        methods: {
            fn1() {
                console.log("fn1111");
            },
            fn2() {
                console.log("fn2222");
            }
        }
    })
</script>

</html>